Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Interface Type | Analog Output |
| Operating Voltage | 3.3V - 5.5V DC |
| TDS Measurement Range | 0 - 1000 ppm |
| Accuracy Level | ±10% F.S. |
| Probe Cable Length | Approx. 55cm |
| Microcontroller Compatibility | STM32, Arduino, ESP32 |
| Output Signal Type | 0 - 2.3V Analog |
| Operating Temperature | 0°C - 50°C |
| Probe Material | Titanium Alloy |
| Package Contents | 1x TDS Module, 1x Probe, 1x Code Link Card |
Anonymous
Apr 08, 2026
Rating: 5/5
STM32 Ready
I was worried about compatibility but the library works perfectly with my Blue Pill board. Voltage levels are compatible without extra logic shifters.
Anonymous
Apr 02, 2026
Rating: 5/5
Great for IoT Projects
Integrated this into my smart hydroponics system. The analog output is stable and the provided source code made integration with my STM32 board very straightforward.
Anonymous
Mar 03, 2026
Rating: 5/5
Perfect for Water Monitoring
Using this to monitor water quality in a tank. It responds quickly to changes in dissolved solids. The probe feels durable and well-made.
Anonymous
Feb 18, 2026
Rating: 4/5
Good Value Sensor
Works as expected for the price. Note that you will need a calibration solution to get accurate ppm readings, but the hardware itself is solid.
Anonymous
Feb 12, 2026
Rating: 4/5
Solid Build Quality
The module is compact and the probe connector is secure. Just remember to keep the electronic board dry as only the probe is waterproof.
Q: Does this work with 3.3V logic levels?
A: Yes, the operating voltage range is 3.3V to 5.5V, so it is directly compatible with 3.3V microcontrollers.
Q: How do I calibrate the sensor?
A: You will need a standard TDS calibration solution. The source code includes functions to adjust the calibration coefficients.
Q: Is the source code free to download?
A: Yes, a link card is included in the package that directs you to the repository for the open-source code.
Q: Can this measure saltwater salinity?
A: This sensor is designed for freshwater TDS measurement. It is not recommended for high salinity seawater applications.
Q: Is the entire module waterproof?
A: Only the probe is waterproof. The electronic module board should be kept dry or housed in a waterproof enclosure.
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